string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%B2%E9%B1%BC%E4%BA%A4%E6%98%93%E6%98%AF%E5%85%88%E4%BB%98%E6%AC%BE%E5%90%97%E8%BF%98%E6%98%AF%E5%90%8E%E4%BB%98 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
闲鱼交易是先付款吗还是后付
